Technical Specifications
• Brand / Series: DENSO Iridium TT (Twin-Tip Technology)
• Manufacturer Part Number / SKU: IK16TT (Trade No. 4701)
• Thread Diameter: 14 mm (M14 x 1.25 thread pitch)
• Thread Length / Reach: 19 mm (0.75 in)
• Hex / Spanner Size: 16 mm (5/8 in)
• Electrode Gap: 1.0 mm (0.039 in)
• Center Electrode Material: 0.4 mm Iridium Alloy
• Ground Electrode Material: 0.7 mm Platinum Alloy (Single ground electrode)
• Heat Range: 16
• Resistor: 5 kΩ (Yes)
• Terminal Type: Solid SAE
• Tightening Torque: 22 Nm (or 15–22 lb-ft for aluminum heads, 26–30 lb-ft for cast iron)
• Projection: 1.5 mm
• Spark Position: 3.0 mm
• Ground Electrode Height: 6.2 mm
COUNTRY SPECIFIC DESIGN: JAPAN

